January weather forecast
Pasadena, TX

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Weather in January

Pasadena city welcomes the new year with a subtly cool weather. The climate remains much like December, bearing similar characteristics, except for a slight increase in humidity, expressing the ongoing winter spirit. With a gentle wind in the air, the atmosphere can feel a bit chilly, encouraging locals to reach for their warm clothing. Despite a moderate amount of precipitation, snowfall is practically negligible in Pasadena's January, measuring only 0.04" (1mm). As the city moves into February, residents can anticipate a minor elevation in temperature.

Temperature

The coldest month is January, with an average high-temperature of 60.6°F (15.9°C) and an average low-temperature of 46.9°F (8.3°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

In Pasadena, in January, it is raining for 12.3 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 190.8 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.

Daylight

In Pasadena, the average length of the day in January is 10h and 29min.
On the first day of the month, sunrise is at 7:15 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:57 pm CST.

Sunshine

The average sunshine in January is 5.4h.

UV index

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During January, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What are the coldest months in Pasadena?

The lowest temperatures are recorded in January, with averages reaching a high of 60.6°F (15.9°C) and a low of 46.9°F (8.3°C).

What is the average January temperature?

The high-temperature during January is 60.6°F (15.9°C) and the low-temperature is 46.9°F (8.3°C).

What is the average humidity in January?

The average relative humidity in January is 74%.

How many days does it rain in January?

In Pasadena, in January, it is raining for 12.3 days, with typically 2.17" (55mm) of accumulated precipitation.

What is the snowiest month?

The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.

What is the last month it snows?

January is the last month it regularly snows. During 0.3 snowfall days, in January, Pasadena aggregates 0.04" (1mm) of snow.

How many hours of daylight does Pasadena have in January?

The average day length in January is 10h and 29min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:15 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:57 pm CST.

How long on average sun shines in January in Pasadena?

In Pasadena, the average sunshine duration in January is 5.4h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4.

What is the UV index intensity in January?

In January, the average daily maximum UV index in Pasadena is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Pasadena, TX

Average temperature in January - Pasadena, TX
  • Average high temperature in January: 60.6°F

The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).

  • Average low temperature in January: 46.9°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

Average pressure in January
Pasadena, TX

Average pressure in January - Pasadena, TX
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Pasadena, TX

Average wind speed in January - Pasadena, TX
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).

Average humidity in January
Pasadena, TX

Average humidity in January - Pasadena, TX
  • Average humidity in January: 74%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).

Average rainfall in January
Pasadena, TX

Average rainfall in January - Pasadena, TX
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").

Average rainfall days in January
Pasadena, TX

Average rainfall days in January - Pasadena, TX
  • Average rainfall days in January: 12.3 days

The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).

Average snowfall in January
Pasadena, TX

Average snowfall in January - Pasadena, TX
  • Average snowfall in January: 0.04"

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Pasadena, TX

Average snowfall days in January - Pasadena, TX
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
Pasadena, TX

Average daylight in January / Average sunshine in January - Pasadena, TX
  • Average daylight in January: 10h and 3min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in January
Pasadena, TX

Average sunshine days in January - Pasadena, TX
  • Average sunshine days in January: 16.4 days

The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).

Average UV index in January
Pasadena, TX

Average UV index in January - Pasadena, TX
  • Average UV index in January: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in January
Pasadena, TX

Average cloud cover in January - Pasadena, TX
  • Average cloud cover in January: 40

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).

Average visibility in January
Pasadena, TX

Average visibility in January - Pasadena, TX
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Pasadena, Texas, USA

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